2. Market movers -- Netflix, Visa, Burberry: Netflix(NFLX) shares are surging by about 20% in extended trading after the company reported earnings that blew past Wall Street expectations. The streaming video service added 3.6 million customers in the third quarter, shattering its own expectations for growth and silencing skeptics. It now has more than 86 million subscribers.

Shares in the company had been hurting this year, down nearly 13% since the start of 2016.

Shares in Visa(V) are getting knocked down a bit in extended trading after CEO Charlie Scharf said he is stepping down. Scharf said he needs to spend more time with this family on the East Coast of the United States -- and away from Visa's San Francisco headquarters.

Shares in the British fashion firm Burberry(BURBY) are tanking in London, down by about 6% after the company issued results for the first half of the year.

5. Central bank debt dump: Central banks have sold lots of U.S. debt this year in an effort to raise cash to buoy their economies from global headwinds. New August figures showing the latest movements of U.S. securities will be published Tuesday afternoon by the Treasury Department.